1.) Delete the Thumbnail Cache in Windows 11 or 10!
Please start the MS-Explorer Windows-Logo+E or use the command %LocalAppData%\Microsoft\Windows\Explorer for example keyboard shortcut Windows+R and enter in Windows Run Dialog the command. (... see Image-1 Point 1 to 4)
(Image-1) Delete the Thumbnail Cache in Windows-10!
Thumbnails of photos and videos in Windows 10 may not be displayed for several reasons, including: "Small Icons", "table", "list" mode; The OS itself does not support the photo format or the video does not have a special codec installed. If you exclude these factors, but the thumbnails of the image and video are not displayed!
The developers of the Windows operating system (in any version) have been provided with the functionality to show the user a small thumbnail of all images, video files and documents, to more visually search them on the hard disk using File Explorer.
3.) Alternative to delete Thumbnail Cache in Windows 11 and 10!
Please use the Disk Cleanup Manager the fastest way via the command cleanmgr from the Windows-10 Run Dialog (Keyboard shortcut Windows-Logo+R) And select unnecessary files and Thumbnails! (... see Image-3 Point 1,2,3)
(Image-3) Clean the Thumbnail Cache in Windows 10!
To speed up the display of thumbnails, the system uses a special cache file that is located in the hidden directory of the user profile. In cases where the cache file is corrupted, the standard for all or inappropriate thumbnails of your files are displayed in Windows Explorer, making it very difficult to find and open the right user. The blessing is fixable. The system has the ability to fix this, namely clear the cache of thumbnails using a system tool. After you have reviewed the video and made the same action from the movie, the corrupted cache file will be restored to its original appearance.
Use this simple solution to Repair Boot Record on New Windows 10 / 11, if not works with Windows 10 or 11 DVD You can use this Solution http://www.thewindowsclub.com/repair-master-boot-record-mbr-windows